John Hsiyang Sung, M.D.
Internal Medicine Physician · Flushing, NY
John Hsiyang Sung, M.D. is an internal medicine physician with a practice address in Flushing, New York, and NPI 1063401636, issued on Oct 17, 2005. Check the license (New York 228662, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Hsiyang Sung
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 228662 NY
Self-reported in NPPES; status is on the state search - Practice location
- 13172 40TH Road, Flushing, NY 11354
- Phone
- (718) 587-1111
- Enumerated
- Oct 17, 2005
- Record last updated
- May 25, 2023
- Fax
- (718) 886-3903
- Medicaid ID
- 02546587 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify John Hsiyang Sung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 228662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average internal medicine physician in 2024
16,010 Medicare Part D claims for 531 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium1,994 claims
- Losartan Potassium1,694 claims
- Amlodipine Besylate1,269 claims
- Metformin Hcl916 claims
- Vascepa627 claims
- Alendronate Sodium607 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $194.19
5 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Hsiyang Sung among 12,067 internal medicine physician records in New York
John Hsiyang Sung, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
242 internal medicine physician records list a practice address in Flushing
They are 242 of the 6,354 NPPES records with a practice address in Flushing, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Flushing → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alexander Choi, M.D.Flushing, NY 113541104818640
- Evelio Echenique, M.D.Flushing, NY 113541700839578
- Polina Feygin, MDFlushing, NY 113541720064157
- Sang Kan, M.D.Flushing, NY 113541508833872
- Por Kung Lin, M.D.Flushing, NY 113541316997729
- Thomas Lyo, M.DFlushing, NY 113541275595787
- Maung Maung, MDFlushing, NY 113541548219041
- Dong-Hong Shong, M.D.Flushing, NY 113541659353068
Common questions
What is John Hsiyang Sung, M.D.'s NPI number?
John Hsiyang Sung, M.D.'s National Provider Identifier (NPI) is 1063401636, issued on Oct 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Hsiyang Sung, M.D. located?
The NPPES record lists a practice address at 13172 40TH Road, Flushing, NY, 11354. Phone: (718) 587-1111. Providers update this record themselves, so call before visiting.
How can I verify John Hsiyang Sung, M.D.'s license?
NPPES lists New York license number 228662, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Hsiyang Sung, M.D. prescribe under Medicare Part D?
In 2024, John Hsiyang Sung, M.D. had 16,010 Medicare Part D claims for 531 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.